A combination of art and quality. Aluminum alloy frosted shell, tempered glass panel, special lamination process, the minimum thickness reaches 6MM. Battery indicator: Boost function: Boost gear: Speed display: Subtotal mileage/total mileage, running time, metric conversion, fault prompt Due to different batches, there may be differences in product appearance, color, and text, which will not affect the use Product model: M5 ultra-thin design, LCD instrument with metal frame Product size: 93.4X56.4X9MM Adaptive voltage: 24V/36V/48V/60V(24V-60V adjustable) Communication : UART Applicable handlebar size: 22.2MM/25.4MM/28.6MM/31.8MM Waterproof grade: IP65 type:5PIN Colour:black Material:ABS Package Contents: 1 x LCD Display 1 x Sine Wave Controller(the appearance and color are random, 't accept the specified ) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.